Et af de almindelige problemer, når CNC-fræsning bruges i formbearbejdning, er overfladefinishen. Der er mange årsager til den dårlige overfladekvalitet eller ændring af det emne, der behandles af formen:
Den første grund er, at værktøjet er for sløvt. En stump kniv vil deformere emnet mere. Dette vil resultere i en forøgelse af skærekraften, og efterhånden som deformationen akkumuleres, skæret vil gå dybere ind i delen, leaving a small hole if the chip breaks suddenly. This will greatly reduce the surface finish of the die parts.
Another reason is CNC milling strategy. There are two milling strategies: climbing and conventional. The first strategy is that the rotation direction of the tool is consistent with the feed direction of the worktable. When using climb milling, the tool will be impacted into the workpiece, and then exit the workpiece slowly with the least material (the surface created after machining). This produces a good surface finish. When the number of revolutions is opposite to the feed direction, conventional milling will be carried out. På denne måde, the tool enters the workpiece from the finished surface. Due to slight vibration and process changes, the tool may slightly damage the surface of the finished part. Imidlertid, this is enough to change the final surface finish
The final reason for the poor surface finish of the die parts is the improper selection or lack of coolant. Many people underestimate the effect of coolants and lubricants, in fact, the use of appropriate coolant lubricants can improve the quality of the entire surface.
resolvent:
In order to achieve the highest possible surface finish of the die part, you should maintain the cutting tool, use the correct strategy and pay attention to the selection of the appropriate coolant.
Surface burn of common workpiece defects in CNC milling
Surface burn refers to burn along the surface of processed parts. Burn means that the workpiece is overheated.
Årsager:
The wrong cutting parameters will lead to the defects of the workpiece processed by the die. Improper selection of feed and speed can seriously damage the workpiece, cutting tools and even the machine itself.
terms of settlement:
One way to solve this problem is to reduce the cutting speed and feed ratio. Slow down the processing and reduce the temperature.
Another way is to increase the cooling rate in the process. In some extreme cases, such as titanium with poor thermal conductivity, both methods are necessary.
Om JasonMould Industrial Company Limited
Jasonmould er en Kina mold maker af plastforme- sprøjtestøbeform, formstøbning forme, plastblæsestøbning, rotationsstøbning, medicinsk plast sprøjtestøbning, to skud plast sprøjtestøbning, indsatsstøbning, overformning, metal sprøjtestøbning, mikro sprøjtestøbning, pulverformsprøjtning, keramisk sprøjtestøbning, flydende sprøjtestøbning, husky sprøjtestøbning, husholdningsskimmel, støbeform, formværktøj, brugerdefinerede forme, porcelæn forme, værktøj til hurtig prototyping, værktøj til prototyper i plastik, slagpresseværktøj, dør og værktøj til mobiltelefon/ mobiltelefondele, bildele, støvsugere, genopladelige værktøjer, telefoner, kopimaskiner, computere, multimediehøjttalere, og mange andre elektroniske produkter og husholdningsapparater. Og også en plastproduktproducent, skimmel producent Kina- plastikdele, vandtank i plast, plastik bolde, plastbeholdere, plastspænde, plastanker, plast bøjle, plastske, rørledning i plast, tumlet plast, bordservice i plast, plastik kopper, plastik flasker, plastbakke, kosmetisk beholder af plast, plastkasse, madbeholder i plast, plaststole, plastikkapper, lukning af plasthætte, plastrør, vandrør i plast, plastik knapper, plastrør, brugskasser i plast, plaststativer og så videre.
Kontakt:
Person: James Yuan
Selskab: JasonMould Industrial Company Limited
Tilføje: LongGang Village,LongXi Town,BoLuo County,HuiZhou City,GuangDong-provinsen, Kina
Tlf: 86-752-6682869
E-mail: [email protected]
Websted: https://www.jasonmolding.com/custom-injection-molding/
